Răspunsuri

2014-10-14T10:30:55+03:00
 x+2y=24 si x+y=19=>x=19-y19-y+2y=24
2y-y=24-19
y=5

x=19-5
x=14
4 4 4
2014-10-14T10:33:34+03:00
X+2y=24
x+y=19 | x2

2x+2y=38
x+2y=24
---------------- ( - )
x=14
y=19-14
y=5
si ia fa tu verificarea.
12+2*7 = 24?
12+14=26.
ai gresit
multumesc mult :) am vazut unde am gresit, m-am corectat :)